Latex常用符号和功能记录
公式下括号
\underbrace & \overbrace
\begin{equation}
\underbrace{L_1+L_2}_{loss ~ 1} + \overbrace{L_3+L_4}^{loss ~ 2}
\end{equation}
L = L 1 + L 2 ⏟ l o s s 1 + L 3 + L 4 ⏞ l o s s 2 L = \underbrace{L_1+L_2}_{loss ~ 1} + \overbrace{L_3+L_4}^{loss ~ 2} L=loss 1 L1+L2+L3+L4 loss 2
矩阵
\begin{equation}
f =
\left[
\begin{array}{ccc}
1 & 1 & 1 \\
1 & 1 & 1 \\
1 & 1 & 1
\end{array}
\right]
\end{equation}
f = [ 1 1 1 1 1 1 1 1 1 ] f={\left[ \begin{array}{ccc} 1 & 1 & 1 \\ 1 & 1 & 1 \\ 1 & 1 & 1 \end{array} \right] } f= 111111111
乘法
$\odot$
$\otimes$
⊙
\odot
⊙
⊗
\otimes
⊗